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노재문,김재욱 서울大學校農科大學 農業開發硏究所 1991 서울대농학연구지 Vol.16 No.1
고추씨 단밸질에서 plastein을 합성하고 고추씨를 pepsin으로 가수분해하는 최적 조건과, plastein을 합성하는 최적 조건을 구한 결과 전자는 pH 1.5,45℃, 2% 기질농도와 2% pepsin 농도에서 24시간 반응시키는 것이었고 후자는 기질농도 50%, pH 4.5, 50℃, 0.25% pepsin 농도에서 18시간 반응시키는 것이었다. Thin layer chromatography를 실시한 결과 고추씨 농축가수 분해물의 TLC pattern과 plastein의 TLC pattern이 하나의 spot를 제외하고는 다르게 나타났는데 이는 plastein과 기질이 다른 것임을 나타내는 것이었다. To form plastein from red pepper seed, optimum conditions for hydrolysis of red pepper seed protein and for plastein formation with pepsin were determined. The optimum conditions for the hydrolysis were pH 1.5, 45℃, 2% enzyme, 2% substrate and 24hrs the pepsin treatment. The optimum conditions for the plastein formation were 50% substrate, pH 4.0, 45℃, 0.5% pepsin and 18hrs of reaction time. The TLC pattern of concentrated peptic hydrolysate of red pepper seed was different from that of the plasteins.
김재욱,노재문 한국농화학회 1991 Applied Biological Chemistry (Appl Biol Chem) Vol.34 No.1
Optimum conditions for hydrolysis of sunflower sees by pepsin and for plastein formation by pepsin were determined. The optimum conditions for hydrolysis of sunflower seed were pH 1.5, 45℃, enzyme concentration 2%, substrate concentration 2%, and hydrolysis time 24hr. The optimum conditions for sunflower seed-plastein formation were 50% substrate, pH 4.5, 50℃, 0.25% pepsin and 18hrs reaction time. To verify plastein fromation from concentrated prptic hydrolysate of sunflower seed, thin layer chromatography was performed. The TLC pattern of concentrated peptic hydrolysate of sunflower seed was different from that of its plastein. The TLC pattern of concentrated peptic hydrolysate of sunflower seed and that of its plastein indicated that plastein was different material from the hydrolysate.
유정희,백지석,김진희,박상헌,노재문,오아영 대한마취통증의학회 2014 Korean Journal of Anesthesiology Vol.66 No.4
Background: This study determined the dose of remifentanil to use during insertion of a ClassicTM laryngeal mask airway (LMA, The Laryngeal Mask Co., Nicosia, Cyprus) in elderly patients during emergency airway management when combined with a single dose of propofol. Methods: Patients aged 65-80 years were enrolled. Anesthesia was induced with propofol 1 mg/kg, and then a blinded dose of remifentanil was infused over 30 s after confirming the patient’s loss of consciousness. The dose of remifentanil was determined using Dixon’s up-and-down method, starting at 0.5 μg/kg (a step size of 0.1 μg/kg). Insertion of the LMA was attempted 60 s after loss of consciousness. Results: In total, 23 patients were recruited and the mean age ± standard deviation was 72 ± 3 years. The effective dose for successful LMA insertion in 50% of the patients (ED50) was 0.20 ± 0.05 μg/kg. No patient needed more than 0.3 μg/kg. Conclusions: Remifentanil 0.20 ± 0.05 μg/kg with propofol 1 mg/kg resulted in excellent LMA insertion in 50% of elderly patients without significant hemodynamic changes during emergency airway management.